https://esdiscuss.org/topic/set-iterators
(site: search again, but I admit I used deterministic and tyler close
keywords to help.)
/be
Benjamin (Inglor) Gruenbaum wrote:
Hi, I recently answered a question on StackOverflow about set
iteration order which made me read the spec.
I remember the recent "Set.prototype.entries: indices as keys"
discussion but I couldn't figure out if the fact sets and maps are
ordered on insertion order is specified is intentional and an
artifact. The spec looks crafted in a way it looks intentional, for
example in set:
- Set.prototype.add always adds to the end of the entries list
- Set.prototype.delete does not delete from the list but rather sets
the value to `empty`
- Iteration in %SetIteratorPrototype%.next iterates entries by index
and in order.
Am I understanding this wrong or is set iteration order specified
(same for map)?
Can anyone please refer me to previous discussions on this when the
decision was made? I can't seem to find the relevant material and I'm
interested in the rationale.
Thanks again!
Benjamin
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